What on Earth?

Satellites capture mysterious images from space including terrifying pictures of a blob swallowing a city, China's hidden terror camps are revealed and access is gained to America's top secret apocalypse pyramid.

Satellites capture unusual images including a series of markings in the Namib desert, a strange symbol that could be a portal into one of the lost civilizations of South America and photos reveal a strange facility in Russia.

Satellites capture startling images of a structure in North Korea that may be sinister evidence of a looming nuclear threat, a mysterious plane wreck on a Russian island and a strange Chinese mountain lair spotted from space.

Satellites capture unusual images of a pattern that materializes in an English field that may be an alien message, a strange structure hidden in the Rocky Mountains and a secret military facility in the Nevada desert.

Satellites capture startling images of a strange Iceland cave that could contain alien secrets, unknown military structures in the Utah desert and a massive, bloody stain in the sands of Saudi Arabia.

Satellites capture mysterious images from space including a trail of moving objects in the ice of Antarctica, evidence of one of Joseph Stalin's most insane schemes and a code in the Sonoran Desert with ties to Cold War espionage.

When a strange structure is discovered in the Gobi Desert, experts investigate if this mysterious site could reveal the whereabouts of lost treasure, which might change everything we know about Genghis Khan and the Mongol warriors who once lived here.

When a strange, red plane is discovered near the sight of the Roswell UFO incident, experts wonder if the aircraft has Nazi or extraterrestrial origins. Their investigation reveals new secrets about one of America's most famous faces.

At a mysterious site in the Gobi Desert, experts have discovered a monster graveyard, and this groundbreaking find contains the treasures of the alien beasts that once lived in this strange world.